Home / 918,919.46-1,267,923.03-536,872.43

Finding the Fourth Proportional to 918,919.46, 1,267,923.03 and 536,872.43

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Solution

The fourth proportional to 918,919.46, 1,267,923.03 and 536,872.43 is: 740,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,919.46 : 1,267,923.03 = 536,872.43 : x
  2. Step 2: Convert to fraction form
    918,919.46/1,267,923.03 = 536,872.43/x
  3. Step 3: Cross multiply
    918,919.46x = 1,267,923.03 × 536,872.43
  4. Step 4: Simplify right side
    918,919.46x = 680,712,918,169.06
  5. Step 5: Solve for x
    x = 680,712,918,169.06/918,919.46
  6. Step 6: Final answer
    x = 740,775.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.